High quality material: Filter sponges are made from high quality filtration foam, without BPA and safe for your fish, without harming the quality of the pH of the water, good for freshwater and salt water environments . Convenient Aquarium accessory: Can be quickly and easily attached to the aquarium intake tube rod, simply cover directly on the water inlet of your filter. Prevent small fish or shrimp from being attracted to the filter. Efficient filter protection: Can help trap particles and debris and extend the life of your filter media, to provide a Effective water flow with less clogging for durable filtration. Size: about 8 cm high, 4 cm in diameter, 22 mm inner diameter. Content of the box : 10pcs x prefilter sponge for aquarium Features: The filter sponge can avoid the danger than small animals like tiny shrimp and fish are sucked in the filter, and can also prevent the aspiration of large debris and block the filter system. It is used to replace the outer input filter or
